58 Botanisches Centralblatt. 



les dans les septicemies naturelles du hanneton. (C. R. Ac. Sc. Paris. 



CLXIII. p. 531—534.) 

 Paneth, L. 1918. Kriterien der bakteriologischen Forschung. (Die 



Naturw. VI. p. 73—79.) 

 Sasaki, T. 1917. The influence of conditions of bacterial cleavage of 



proteins on the cleavage products. (Journ. biol. Chem. XXXII. p. 



527—532.) 

 Sasaki, T. and I. Otsuka. 1917. The stereochemistry of the bacterial 



decomposition of albumin. (Journ. biol. Chem. XXXII. p. 533— 538.) 



XV. Lichenes. 



Cf. XI. Lindau et Sydow. 



Moreau, M. et Mme F. 1918. Etüde cytologique du developpement 

 de l'apothecie des Peltigeracees. (C. R. Ac. Sc. Paris. CLXVI. 

 p. 178—179.) 



XVI. Bryophyten. 



Evans, A. W. 1917. Notes on New England Hepaticae. XIV. (Rho- 



dora. XIX. p. 263-272.) 

 Lesage, P. 1918. Contributions ä l'etude de la germination des spo- 



res de raousses. (C. R. Ac. Sc. Paris. CLXVI. p. 744-747.) 

 Rohret, M. B. 1917. The morphology of the thallus and cupules of 



Plasia pusilla. (Proc. Iowa Ac. Sc. XXIV. p. 429—454. 4 f.) 

 Roll, J. 1918. Vierter Beitrag zur Moosliora des Erzgebirges. (Hed- 



wigia. LX. p. 12—49.) 



XVn. Pteridophyten. 



Cf. IV. Wuist; XVIII. Sehwaighofer. 

 Copeland, E. B. 1917. The genus Christiopteris. (Philippine Journ. Sc. 



C. XII. p. 331—336.) 

 Mac Caughey, V. 1918, The genus Gleichenia (Dicranopteris) in the 



Hawaiian Islands. (Torreya. XVIII. p. 41—52.) 



XVIII. Floristik, Geographie und Systematik der Phanerogamen. 



Bailey, W. W. 1917. Amphicarpaea. (Amer. Bot. XXIII. p. 120—122.) 

 Baüey, L. H. 1917. The modern systematist. (Science. 2. XLVI. p. 



623—629.) 

 Boot, D. H. 1917. Plant studies in Lyon County, Iowa. (Proc. Iowa 



Ac. Sc. XXIV. p. 393-414. ill.) 

 Boros, A. 1917. Üjabb adatok Budapest környeke növenyzetehez. 



[Neuere Daten zur Vegetation der Umgebung von Budapest]. (Bot. 



Közl. XVI. p. 116-118.) 

 Bowman, H. H. M. 1917. Ecology and physiology of the red man- 



grove. (Proc. amer. philos. Soc. LVI. p. 589—672. 3 f. 6 pl.) 

 Braun-Blanquet, J. 1917. Die Pflanzenwelt der Plessuralpen. (Chur, 



1917. 8°. 38 pp. 5 T.) 

 Brenner. 1916. Pals-artad torf-tufbildning i Inga socken af Nyland. 



(Medd. Soc. Fauna et Flora fennica. XLII p. 34—35.) 

 Brown, W. H. 1917. The rate of growth of Pedocarpus imbricatus at 



the top of Mount ßanahao, Luzon, Philippine Islands. (Philippine 



Journ. Sc. C. XII. p. 317-329. 1 pl.) 

 Conard, H. S. 1917. The white water lily of Clear Lake, Iowa. (Proc. 



Iowa Ac. Sc. XXIV. p. 449-454. ill.) 

 Correvon, H. et P. Robert. 1917. La flore Alpine. 2. (§dit. (Geneve 



1917. 8°. XVI, 341 pp. 100 pl.) 

 Daubanton, C. 1917. Randia malleifera Benth. et Hook., Moraea in- 



